Three Rivers, MS Weather Forecast
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Three Rivers Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Chance of T-Storm | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Clearing | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear |
| Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C |
| POP: 50% | POP: 40% | POP: 40% | POP: 70% | POP: 40% | POP: 70% | POP: 20% | POP: 70% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 535 AM CDT Sat Sep 05 2026 

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Issued: 628 AM CDT Sat Sep 5 2026
Key Messages
Updated at 626 AM CDT Sat Sep 5 2026- Scattered to numerous showers and storms are forecast through the holiday weekend. While the overall severe weather threat will be low, one or two storms could become strong to severe. The primary threats will be strong wind gusts, frequent lightning and periods of heavy rain leading to localized flash flooding.
- Above normal temperatures expected most of the 7-Day forecast period. Afternoon heat indices will generally range from 100 to 108 degrees...
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